Fixes build with GCC 5.x

https://bug1024492.bugzilla.mozilla.org/attachment.cgi?id=8439834&action=diff&context=patch&format=raw&headers=1

diff -ur a/thunderbird/mozilla/js/src/builtin/TypedObject.cpp b/thunderbird/mozilla/js/src/builtin/TypedObject.cpp
--- a/thunderbird/mozilla/js/src/builtin/TypedObject.cpp	2015-05-09 08:50:17.567803110 +0200
+++ b/thunderbird/mozilla/js/src/builtin/TypedObject.cpp	2015-05-28 11:25:07.771027783 +0200
@@ -710,12 +710,12 @@
     contents.append(")");
     RootedAtom stringRepr(cx, contents.finishAtom());
     if (!stringRepr)
-        return nullptr;
+        return false;
 
     // Extract ArrayType.prototype
     RootedObject arrayTypePrototype(cx, GetPrototype(cx, arrayTypeGlobal));
     if (!arrayTypePrototype)
-        return nullptr;
+        return false;
 
     // Create the instance of ArrayType
     Rooted<UnsizedArrayTypeDescr*> obj(cx);
@@ -728,7 +728,7 @@
     if (!JSObject::defineProperty(cx, obj, cx->names().length,
                                   UndefinedHandleValue, nullptr, nullptr,
                                   JSPROP_READONLY | JSPROP_PERMANENT))
-        return nullptr;
+        return false;
 
     args.rval().setObject(*obj);
     return true;
@@ -762,7 +762,7 @@
     if (!size.isValid()) {
         JS_ReportErrorNumber(cx, js_GetErrorMessage, nullptr,
                              JSMSG_TYPEDOBJECT_TOO_BIG);
-        return nullptr;
+        return false;
     }
 
     // Construct a canonical string `new ArrayType(<elementType>).dimension(N)`:
@@ -775,7 +775,7 @@
     contents.append(")");
     RootedAtom stringRepr(cx, contents.finishAtom());
     if (!stringRepr)
-        return nullptr;
+        return false;
 
     // Create the sized type object.
     Rooted<SizedArrayTypeDescr*> obj(cx);
@@ -793,7 +793,7 @@
     if (!JSObject::defineProperty(cx, obj, cx->names().length,
                                   lengthVal, nullptr, nullptr,
                                   JSPROP_READONLY | JSPROP_PERMANENT))
-        return nullptr;
+        return false;
 
     // Add `unsized` property, which is a link from the sized
     // array to the unsized array.
@@ -801,7 +801,7 @@
     if (!JSObject::defineProperty(cx, obj, cx->names().unsized,
                                   unsizedTypeDescrValue, nullptr, nullptr,
                                   JSPROP_READONLY | JSPROP_PERMANENT))
-        return nullptr;
+        return false;
 
     args.rval().setObject(*obj);
     return true;
@@ -1253,7 +1253,7 @@
     Rooted<TypedProto*> proto(cx);
     proto = NewObjectWithProto<TypedProto>(cx, objProto, nullptr, TenuredObject);
     if (!proto)
-        return nullptr;
+        return false;
     proto->initTypeDescrSlot(*descr);
     descr->initReservedSlot(JS_DESCR_SLOT_TYPROTO, ObjectValue(*proto));
 
@@ -1358,14 +1358,14 @@
 #define BINARYDATA_SCALAR_DEFINE(constant_, type_, name_)                       \
     if (!DefineSimpleTypeDescr<ScalarTypeDescr>(cx, global, module, constant_,      \
                                             cx->names().name_))                 \
-        return nullptr;
+        return false;
     JS_FOR_EACH_SCALAR_TYPE_REPR(BINARYDATA_SCALAR_DEFINE)
 #undef BINARYDATA_SCALAR_DEFINE
 
 #define BINARYDATA_REFERENCE_DEFINE(constant_, type_, name_)                    \
     if (!DefineSimpleTypeDescr<ReferenceTypeDescr>(cx, global, module, constant_,   \
                                                cx->names().name_))              \
-        return nullptr;
+        return false;
     JS_FOR_EACH_REFERENCE_TYPE_REPR(BINARYDATA_REFERENCE_DEFINE)
 #undef BINARYDATA_REFERENCE_DEFINE
 
@@ -1375,14 +1375,14 @@
     arrayType = DefineMetaTypeDescr<ArrayMetaTypeDescr>(
         cx, global, module, TypedObjectModuleObject::ArrayTypePrototype);
     if (!arrayType)
-        return nullptr;
+        return false;
 
     RootedValue arrayTypeValue(cx, ObjectValue(*arrayType));
     if (!JSObject::defineProperty(cx, module, cx->names().ArrayType,
                                   arrayTypeValue,
                                   nullptr, nullptr,
                                   JSPROP_READONLY | JSPROP_PERMANENT))
-        return nullptr;
+        return false;
 
     // StructType.
 
@@ -1390,14 +1390,14 @@
     structType = DefineMetaTypeDescr<StructMetaTypeDescr>(
         cx, global, module, TypedObjectModuleObject::StructTypePrototype);
     if (!structType)
-        return nullptr;
+        return false;
 
     RootedValue structTypeValue(cx, ObjectValue(*structType));
     if (!JSObject::defineProperty(cx, module, cx->names().StructType,
                                   structTypeValue,
                                   nullptr, nullptr,
                                   JSPROP_READONLY | JSPROP_PERMANENT))
-        return nullptr;
+        return false;
 
     // Everything is setup, install module on the global object:
     RootedValue moduleValue(cx, ObjectValue(*module));
@@ -1407,7 +1407,7 @@
                                   nullptr, nullptr,
                                   0))
     {
-        return nullptr;
+        return false;
     }
 
     return module;
@@ -2466,7 +2466,7 @@
         if (length < 0) {
             JS_ReportErrorNumber(cx, js_GetErrorMessage,
                                  nullptr, JSMSG_TYPEDOBJECT_BAD_ARGS);
-            return nullptr;
+            return false;
         }
         Rooted<TypedObject*> obj(cx, createZeroed(cx, callee, length));
         if (!obj)
diff -ur a/thunderbird/mozilla/js/src/frontend/BytecodeCompiler.cpp b/thunderbird/mozilla/js/src/frontend/BytecodeCompiler.cpp
--- a/thunderbird/mozilla/js/src/frontend/BytecodeCompiler.cpp	2015-05-09 08:50:17.666800504 +0200
+++ b/thunderbird/mozilla/js/src/frontend/BytecodeCompiler.cpp	2015-05-28 11:25:07.771027783 +0200
@@ -544,7 +544,7 @@
 
     RootedScriptSource sourceObject(cx, CreateScriptSourceObject(cx, options));
     if (!sourceObject)
-        return nullptr;
+        return false;
     ScriptSource* ss = sourceObject->source();
 
     SourceCompressionTask sct(cx);
diff -ur a/thunderbird/mozilla/js/src/vm/ScopeObject.h b/thunderbird/mozilla/js/src/vm/ScopeObject.h
--- a/thunderbird/mozilla/js/src/vm/ScopeObject.h	2015-05-09 08:50:19.900741697 +0200
+++ b/thunderbird/mozilla/js/src/vm/ScopeObject.h	2015-05-28 11:25:07.771027783 +0200
@@ -63,21 +63,9 @@
     bool onNamedLambda;
 
   public:
-    StaticScopeIter(ExclusiveContext* cx, JSObject* obj)
-      : obj(cx, obj), onNamedLambda(false)
-    {
-        JS_STATIC_ASSERT(allowGC == CanGC);
-        JS_ASSERT_IF(obj, obj->is<StaticBlockObject>() || obj->is<StaticWithObject>() ||
-                     obj->is<JSFunction>());
-    }
+    StaticScopeIter(ExclusiveContext *cx, JSObject *obj);
 
-    StaticScopeIter(JSObject* obj)
-      : obj((ExclusiveContext*) nullptr, obj), onNamedLambda(false)
-    {
-        JS_STATIC_ASSERT(allowGC == NoGC);
-        JS_ASSERT_IF(obj, obj->is<StaticBlockObject>() || obj->is<StaticWithObject>() ||
-                     obj->is<JSFunction>());
-    }
+    explicit StaticScopeIter(JSObject *obj);
 
     bool done() const;
     void operator++(int);
diff -ur a/thunderbird/mozilla/js/src/vm/ScopeObject-inl.h b/thunderbird/mozilla/js/src/vm/ScopeObject-inl.h
--- a/thunderbird/mozilla/js/src/vm/ScopeObject-inl.h	2015-05-09 08:50:19.898741750 +0200
+++ b/thunderbird/mozilla/js/src/vm/ScopeObject-inl.h	2015-05-28 11:25:07.771027783 +0200
@@ -13,6 +13,26 @@
 
 namespace js {
 
+template <AllowGC allowGC>
+inline
+StaticScopeIter<allowGC>::StaticScopeIter(ExclusiveContext *cx, JSObject *obj)
+  : obj(cx, obj), onNamedLambda(false)
+{
+    JS_STATIC_ASSERT(allowGC == CanGC);
+    JS_ASSERT_IF(obj, obj->is<StaticBlockObject>() || obj->is<StaticWithObject>() ||
+                 obj->is<JSFunction>());
+}
+
+template <AllowGC allowGC>
+inline
+StaticScopeIter<allowGC>::StaticScopeIter(JSObject *obj)
+  : obj((ExclusiveContext *) nullptr, obj), onNamedLambda(false)
+{
+    JS_STATIC_ASSERT(allowGC == NoGC);
+    JS_ASSERT_IF(obj, obj->is<StaticBlockObject>() || obj->is<StaticWithObject>() ||
+                 obj->is<JSFunction>());
+}
+
 inline void
 ScopeObject::setAliasedVar(JSContext* cx, ScopeCoordinate sc, PropertyName* name, const Value& v)
 {
diff -ur a/thunderbird/mozilla/js/xpconnect/wrappers/XrayWrapper.cpp b/thunderbird/mozilla/js/xpconnect/wrappers/XrayWrapper.cpp
--- a/thunderbird/mozilla/js/xpconnect/wrappers/XrayWrapper.cpp	2015-05-09 08:50:15.061869076 +0200
+++ b/thunderbird/mozilla/js/xpconnect/wrappers/XrayWrapper.cpp	2015-05-28 11:25:07.775027837 +0200
@@ -351,7 +351,7 @@
         {
             JSAutoCompartment ac(cx, target);
             if (!JS_GetClassPrototype(cx, key, protop))
-                return nullptr;
+                return false;
         }
         return JS_WrapObject(cx, protop);
     }
Only in b/thunderbird/mozilla/js/xpconnect/wrappers: XrayWrapper.cpp.orig
diff -ur a/thunderbird/mozilla/netwerk/ipc/NeckoParent.cpp b/thunderbird/mozilla/netwerk/ipc/NeckoParent.cpp
--- a/thunderbird/mozilla/netwerk/ipc/NeckoParent.cpp	2015-05-09 08:50:16.383834276 +0200
+++ b/thunderbird/mozilla/netwerk/ipc/NeckoParent.cpp	2015-05-28 11:25:07.775027837 +0200
@@ -359,7 +359,7 @@
   RtspChannelParent* p = static_cast<RtspChannelParent*>(aActor);
   return p->Init(aConnectArgs);
 #else
-  return nullptr;
+  return false;
 #endif
 }